top of page
Residential kitchen with large island

Dream it.
Design it. 
Build it.

Residential 2pc bathroom

45 years of Renovating and Building in London

At DUO, we believe it is a privilege to be invited into our clients’ homes and offices. For 45 years, our team has been a leader in the design + build of renovations and new builds for both residential clients and commercial businesses. We work collaboratively to create custom designs to suit individual tastes, lifestyles and budgets. Our dedicated team of in-house professionals will work with you from the initial concept design, supply transparent project estimates and finally build your dream project. By providing you with a comprehensive design + build service and backing this up with an industry-leading warranty program, we offer a one-stop-shop for all of your project needs.   

45 years of
Happy Clients

Founded in 1979, we have had the pleasure to serve over a thousand London homeowners and businesses. 

Integrated Design plus Build service

Our streamlined process ensures your dream project meets your budget, timeline and expectations for quality.

Award Winning

We've won numerous national, provincial and local awards for our innovative projects and approach to sustainability.

Industry Leading Warranty

Our belief in our expert craftsmanship is backed by our industry-leading warranty for renovations. Ask us why we offer a longer warranty term than any other builder!

Why Choose DUO


"The company is highly attentive and professional, and we are delighted with the end result of the project."

Sandra McKenzie

“We are very happy with our renovation!! It is a beautiful welcoming space that we absolutely love!!"

Des & Katrina Moser

"The people who work for DUO are phenomenal. Their design has allowed us to use our home to its fullest potential."

Shilpa Patil
& Dung Tiet

Let's Discuss 
Your Next Project

Tarion Warranty Logo
Renomak Member logo
London Homebuilders Member Logo
London Business Owner Logo
bottom of page